docker内部无法使用ping等网络工具解决方案

#!/bin/bash

service mosquitto start

echo "mosquitto..."

sysctl vm.overcommit_memory=1

service redis-server start &

echo "redis..."

mongod -f /data/config/ --fork

echo "mongo..."

service nginx start

echo "nginx..."

# 要ping的服务器地址

SERVER_IP="10.1.77.74"

# 要检查的端口

SERVER_PORT=1883

# 等待时间（秒）

WAIT_TIME=60

# 尝试连接端口的函数

check_port() {

    local ip="$1"  

    local port="$2"  

# 尝试使用telnet连接到指定端口，并立即发送quit命令退出

    (echo quit; sleep 1) | telnet "$ip" "$port" 2>&1 | grep -q "Connected"  

# 根据grep的退出状态来返回结果

return $?

}

# 无限循环直到服务器可达和端口开放

while true; do  

# 尝试ping服务器

    if  ping -c 1 "$SERVER_IP" &> /dev/null; then  

        echo "$(date): Server $SERVER_IP is reachable."  

# 尝试检查端口是否开放

        if check_port "$SERVER_IP" "$SERVER_PORT"; then  

            echo "$(date): Port $SERVER_PORT is open on $SERVER_IP."  

# 在这里执行后续命令

            echo "$(date): Executing commands..."  

# 例如：

# service some_service start

# /path/to/some/

cd /bwss/agent/iot/server/edgeagent/ && ./

echo "edgeagent..."

sleep 10;

cd /bwss/agent/iot/server/collector/ai-collector/ && ./

echo "ai-collector..."

break

# 如果需要的话，可以在这里添加退出循环的条件

# 例如：检查某个服务是否已成功启动

# if [ some_condition ]; then

# break

# fi

else

            echo "$(date): Port $SERVER_PORT is closed on $SERVER_IP. Retrying..."  

else

        echo "$(date): Server $SERVER_IP is unreachable. Retrying after $WAIT_TIME seconds..."  

# 等待一段时间后再次尝试

sleep $WAIT_TIME

done

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